Title:
Sound translating devices
United States Patent 2775309
US Patent References:
Dynamic sound reproducer
- - 1966564
Loud-speaker diaphragm support member
- - 2469773
Sound translating apparatus
- - 2688373
Sound reproducing system
- - 2689016
Dynamic sound reproducer
- - 1966564
Loud-speaker diaphragm support member
- - 2469773
Sound translating apparatus
- - 2688373
Sound reproducing system
- - 2689016
Inventors:
Villchur, Edgar M.
Publication Date:
12/25/1956
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Export Citation:
Assignee:
ACOUSTIC RES INC
Primary Class:
Other Classes:
181/151
International Classes:
H04R1/28